CAD tip # 5089:

Question CAD
% platform category

Changing the mouse-wheel zoom orientation in AutoCAD or Inventor.

Many users are confused by the opposite directions of wheel zooming used in AutoCAD and in Inventor. They behave just the opposite way.

You can switch the orientation in both applications so you can choose your preferred way of zooming in/out by wheel-rotation away/to you.

In AutoCAD you can either use the Re-Wheel ARX utility (older versions) or the ZOOMWHEEL variable (since AutoCAD 2007) to switch the sense of your mouse wheel (as in Inventor).
In Inventor you can change the wheel direction in Registry. In:
```
HKCU\Software\Autodesk\Inventor\RegistryVersionxx\System\Preferences\Display
```
set the Viewing Command Options DWORD key to 2 or 3 to make the mouse behave as in AutoCAD. Restart Inventor after the change.

ACADInventor

* CAD

22.6.2006 33756× FAQ

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applies to: AutoCAD · Inventor ·

See also:
Tip 13997:	4 methods of 3D orbit in Inventor, with specified pivot.
Tip 13466:	Did you know that you can use 3D Orbit also in AutoCAD LT?
Tip 13437:	Zoom on predefined annotation scales.
Tip 10582:	A trick for easier text editing in Revit.
Tip 10167:	Keyboard shortcuts in Autodesk Fusion 360.

Selected tip: How to make invisible individual objects in a drawing?

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